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Product Series of Automation-Related Precision Ball Screws and Linear Rails – High-Precision Ball Screws

Product Overview

NSK Ball Screw Miniature Fine-Lead (MA Type)W1202MA-1PY-C3Z2

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Miniature Fine-Lead (MA Type)/Ball Screw

W1202MA-1PY-C3Z2

Lead2 mm

Product Features

NSK Miniature series MA (finished shaft ends) standard-stock precision ball screw W1202MA-1PY-C3Z2, shaft dia. 12 mm, lead 2 mm
Accuracy grade C3 (JIS), axial play 0 (preloaded)
Basic load ratings: dynamic Ca 1.96 kN / static C0a 3.62 kN
Effective thread length approx. 200 mm class (code 02); overall length per NSK dimension tables
Standard stock (W reference number) with short lead times; custom shaft-end machining available

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Product Specifications

Specification	Unit	W1202MA-1PY-C3Z2
Series	-	Miniature series MA (finished shaft ends)
Shaft diameter	mm	12
Lead	mm	2
Effective thread length class	-	approx. 200 mm class (code 02) (overall length per NSK tables)
Accuracy grade	-	C3 (JIS)
Axial play	mm	0 (preloaded)
Preload	-	Oversize-ball preload (P preload)
Basic dynamic load rating Ca	kN	1.96
Basic static load rating C0a	kN	3.62
Design serial no.	-	1 (NSK internal design number)
Additional code	-	"Y" (shown as-is; no official per-code definition)
Shaft ends	-	Finished (standard shaft-end form)

Product Description

W1202MA-1PY-C3Z2 is an NSK Miniature series MA (finished shaft ends) standard-stock precision ball screw: 12 mm shaft diameter, 2 mm lead, accuracy grade C3 (JIS), axial play 0 (preloaded), preload: Oversize-ball preload (P preload), with basic load ratings of Ca 1.96 kN (dynamic) and C0a 3.62 kN (static). Effective thread length approx. 200 mm class (code 02); confirm the overall length with NSK dimension tables or with Nahshon. W-reference standard-stock items are standardized with comparatively short lead times.

Not sure about accuracy grades? See our guide: How to choose ball screw accuracy grades (C0–C10) (in Chinese).

Other lengths with the same specification

The MA series with 12 mm shaft dia. × 2 mm lead is also available as: W1201MA-1PY-C3Z2, W1201MA-3PY-C3Z2, W1202MA-3PY-C3Z2, W1203MA-1PY-C3Z2.

Customization

Shaft-end machining to your drawings is available. Add the part number (or your drawing) to the inquiry cart — Nahshon works directly with NSK to confirm specs, quotation and delivery.